Consider the following:
- Battery storage
- Biomass generators
- Fuel cells
- Rooftop solar photovoltaic units
How many of the above are considered “Distributed Energy Resources”?
(a) Only one
(b) Only two
(c) Only three
(d) All four
Correct Answer: (d) All four
Explanation:
Distributed Energy Resources (DERs) include small-scale units of local generation connected to the grid at distribution level. Battery storage, biomass generators, fuel cells, and rooftop solar photovoltaic units are all considered DERs.
Possible Sources: Energy and environmental science references on Distributed Energy Resources.
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